1666782009

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{57107}}^1$

素因数の和:57186

約数の個数: 32

約数和(自身を含む): 2631536640

約数和(自身を除く): 964754631

約数列:

[1, 3, 9, 23, 27, 47, 69, 141, 207, 423, 621, 1081, 1269, 3243, 9729, 29187, 57107, 171321, 513963, 1313461, 1541889, 2684029, 3940383, 8052087, 11821149, 24156261, 35463447, 61732667, 72468783, 185198001, 555594003, 1666782009]

約数ペア:

[(1, 1666782009), (3, 555594003), (9, 185198001), (23, 72468783), (27, 61732667), (47, 35463447), (69, 24156261), (141, 11821149), (207, 8052087), (423, 3940383), (621, 2684029), (1081, 1541889), (1269, 1313461), (3243, 513963), (9729, 171321), (29187, 57107)]